About block 903,421
Bitcoin block 903,421 was mined by ViaBTC on June 30, 2025 at 5:27 PM UTC, 14 min 18 s after block 903,420. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 2,992 transactions in 1.51 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 3.00 sat/vB, up from 3.00 sat/vB in the block before, and all fees added up to 0.0381 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1631 BTC for this block.
Block 903,421 is number 254 of 2,016 in difficulty epoch 448; 1,762 blocks remain until the next difficulty adjustment at block 905,183. The next halving is at block 1,050,000, 146,579 blocks after this one.
Its hash starts with 20 zeros: that is the proof of work, a number below the target that the whole network’s hashrate had to search for. ViaBTC found 95 blocks in the week before. Today the block has 72,159 confirmations, so it is settled beyond any practical doubt.